Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/319449
Type: Artigo
Title: Muon capture on light isotopes measured with the Double Chooz detector
Author: Abe, Y.
Abrahao, T.
Almazan, H.
Alt, C.
Appel, S.
Barriere, J. C.
Baussan, E.
Bekman, I.
Bergevin, M.
Bezerra, T. J. C.
Bezrukov, L.
Blucher, E.
Brugiere, T.
Buck, C.
Busenitz, J.
Cabrera, A.
Camilleri, L.
Carr, R.
Cerrada, M.
Chauveau, E.
Chimenti, P.
Collin, A. P.
Conover, E.
Conrad, J. M.
Crespo-Anadon, J. I.
Crum, K.
Cucoanes, A. S.
Damon, E.
Dawson, J. V.
De Kerret, H.
Dhooghe, J.
Dietrich, D.
Djurcic, Z.
dos Anjos, J. C.
Dracos, M.
Etenko, A.
Fallot, M.
Felde, J.
Fernandes, S. M.
Fischer, V.
Franco, D.
Franke, M.
Furuta, H.
Gil-Botella, I.
Giot, L.
Goger-Neff, M.
Gomez, H.
Gonzalez, L. F. G.
Goodenough, L.
Goodman, M. C.
Haag, N.
Hara, T.
Haser, J.
Hellwig, D.
Hofmann, M.
Horton-Smith, G. A.
Hourlier, A.
Ishitsuka, M.
Jochum, J.
Jollet, C.
Kaether, F.
Kalousis, L. N.
Kamyshkov, Y.
Kaneda, M.
Kaplan, D. M.
Kawasaki, T.
Kemp, E.
Kryn, D.
Kuze, M.
Lachenmaier, T.
Lane, C. E.
Lasserre, T.
Letourneau, A.
Lhuillier, D.
Lima, H. P.
Lindner, M.
Lopez-Castano, J. M.
LoSecco, J. M.
Lubsandorzhiev, B.
Lucht, S.
Maeda, J.
Mariani, C.
Maricic, J.
Martino, J.
Matsubara, T.
Mention, G.
Meregaglia, A.
Miletic, T.
Milincic, R.
Minotti, A.
Nagasaka, Y.
Navas-Nicolas, D.
Novella, P.
Oberauer, L.
Obolensky, M.
Onillon, A.
Osborn, A.
Palomares, C.
Pepe, I. M.
Perasso, S.
Porta, A.
Pronost, G.
Reichenbacher, J.
Reinhold, B.
Rohling, M.
Roncin, R.
Rybolt, B.
Sakamoto, Y.
Santorelli, R.
Schilithz, A. C.
Schonert, S.
Schoppmann, S.
Shaevitz, M. H.
Sharankova, R.
Shrestha, D.
Sibille, V.
Sinev, V.
Skorokhvatov, M.
Smith, E.
Soiron, M.
Spitz, J.
Stahl, A.
Stancu, I.
Stokes, L. F. F.
Strait, M.
Suekane, F.
Sukhotin, S.
Sumiyoshi, T.
Sun, Y.
Svoboda, R.
Terao, K.
Tonazzo, A.
Thi, H. H. T.
Valdiviesso, G.
Vassilopoulos, N.
Veyssiere, C.
Vivier, M.
von Feilitzsch, F.
Wagner, S.
Walsh, N.
Watanabe, H.
Wiebusch, C.
Wurm, M.
Yang, G.
Yermia, F.
Zimmer, V.
Abstract: Using the Double Chooz detector, designed to measure the neutrino mixing angle θ13, the products of μ- capture on C12,C13,N14, and O16 have been measured. Over a period of 489.5 days, 2.3×106 stopping cosmic μ- have been collected, of which 1.8×105 captured on carbon, nitrogen, or oxygen nuclei in the inner detector scintillator or acrylic vessels. The resulting isotopes were tagged using prompt neutron emission (when applicable), the subsequent β decays, and, in some cases, β-delayed neutrons. The most precise measurement of the rate of C12(μ-,ν)B12 to date is reported: 6.57-0.21+0.11×103s-1, or (17.35-0.59+0.35)% of nuclear captures. By tagging excited states emitting γs, the ground state transition rate to B12 has been determined to be 5.68-0.23+0.14×103s-1. The heretofore unobserved reactions C12(μ-,να)Li8,C13(μ-,νnα)Li8, and C13(μ-,νn)B12 are measured. Further, a population of βn decays following stopping muons is identified with 5.5σ significance. Statistics limit our ability to identify these decays definitively. Assuming negligible production of He8, the reaction C13(μ-,να)Li9 is found to be present at the 2.7σ level. Limits are set on a variety of other processes. © 2016 American Physical Society.
Using the Double Chooz detector, designed to measure the neutrino mixing angle θ13, the products of μ- capture on C12,C13,N14, and O16 have been measured. Over a period of 489.5 days, 2.3×106 stopping cosmic μ- have been collected, of which 1.8×105 captured on carbon, nitrogen, or oxygen nuclei in the inner detector scintillator or acrylic vessels. The resulting isotopes were tagged using prompt neutron emission (when applicable), the subsequent β decays, and, in some cases, β-delayed neutrons. The most precise measurement of the rate of C12(μ-,ν)B12 to date is reported: 6.57-0.21+0.11×103s-1, or (17.35-0.59+0.35)% of nuclear captures. By tagging excited states emitting γs, the ground state transition rate to B12 has been determined to be 5.68-0.23+0.14×103s-1. The heretofore unobserved reactions C12(μ-,να)Li8,C13(μ-,νnα)Li8, and C13(μ-,νn)B12 are measured. Further, a population of βn decays following stopping muons is identified with 5.5σ significance. Statistics limit our ability to identify these decays definitively. Assuming negligible production of He8, the reaction C13(μ-,να)Li9 is found to be present at the 2.7σ level. Limits are set on a variety of other processes.
Subject: Neutrinos, Detectores, Múons
Country: Estados Unidos
Editor: American Physical Society
Citation: Physical Review C - Nuclear Physics. American Physical Society, v. 93, p. , 2016.
Rights: aberto
Identifier DOI: 10.1103/PhysRevC.93.054608
Address: https://journals.aps.org/prc/abstract/10.1103/PhysRevC.93.054608
Date Issue: 2016
Appears in Collections:IFGW - Artigos e Outros Documentos

Files in This Item:
File SizeFormat 
000375999500003.pdf1.01 MBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.